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@ARTICLE{Wu:872843,
author = {Wu, Xiaochao and Meledina, Maria and Tempel, Hermann and
Kungl, Hans and Mayer, Joachim and Eichel, Rüdiger-A.},
title = {{M}orphology-controllable synthesis of {L}i{C}o{PO}4 and
its influence on electrochemical performance for
high-voltage lithium ion batteries},
journal = {Journal of power sources},
volume = {450},
issn = {0378-7753},
address = {New York, NY [u.a.]},
publisher = {Elsevier},
reportid = {FZJ-2020-00313},
pages = {227726},
year = {2020},
abstract = {LiCoPO4 is a cathode material for 5V lithium ion batteries,
but in practice it often suffers from the poor
electrochemical performance due to its intrinsically slow
ionic diffusion. Herein, various LiCoPO4 materials with
different morphology, including unstructured nanoparticle,
nanorod and microrod shape, have been synthesized by
solvothermal methods and a subsequent annealing process in
air. Electrochemical analysis shows that the controllable
morphology has an influence in electronic and ionic
pathways, thus affects the electrochemical performance. The
nanorod shape LiCoPO4 shows the largest discharge capacity,
the best rate capability and best cycling stability.
Furthermore, the apparent Li+ ion diffusion coefficients of
LiCoPO4 samples were determined to investigate the influence
of particle shape and the orientation on the Li+ ions
migration.},
cin = {IEK-9 / ER-C-2},
ddc = {620},
cid = {I:(DE-Juel1)IEK-9-20110218 / I:(DE-Juel1)ER-C-2-20170209},
pnm = {131 - Electrochemical Storage (POF3-131) / HITEC -
Helmholtz Interdisciplinary Doctoral Training in Energy and
Climate Research (HITEC) (HITEC-20170406)},
pid = {G:(DE-HGF)POF3-131 / G:(DE-Juel1)HITEC-20170406},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000517663800044},
doi = {10.1016/j.jpowsour.2020.227726},
url = {https://juser.fz-juelich.de/record/872843},
}